A heat treatment apparatus for bolt manufacturing

Abstract

This utility model discloses a heat treatment device for bolt manufacturing, including a frame, a barrel lid, and a barrel body. The frame is rotatably mounted on the barrel lid. Several arc-shaped blocks are slidably engaged on the frame. An annular plate is installed on the barrel lid, with the arc-shaped blocks and the annular plate in clearance fit. An adjusting bolt is threadedly connected to the frame, and a conical adjusting block is rotatably mounted on the top of the adjusting bolt, slidably engaged with the arc-shaped blocks. A rotary drive device is installed on the barrel lid, and the output end of the rotary drive device is connected to the frame for transmission. By pressing the arc-shaped blocks with the conical adjusting block, the arc-shaped blocks can be moved outward, allowing the arc-shaped blocks and the annular plate to cooperate in limiting bolts of different sizes. The frame drives the arc-shaped blocks to rotate, thereby cooperating with the fixed annular plate, allowing the bolts limited between them to rotate to a certain extent, thus avoiding poor heat treatment effect at the contact point.

Description

Technical Field

[0001] This utility model relates to the technical field of heat treatment apparatus for bolt manufacturing, and in particular to a heat treatment apparatus for bolt manufacturing. Background Technology

[0002] In the prior art, such as the patent number CN221028574U, there is an efficient heat treatment device for high-strength bolts. Although it can fix bolts of different specifications and sizes and then perform heat treatment, the heat treatment effect will be worse at the fixed part. Therefore, how to improve the heat treatment effect of bolts is a problem to be solved. Utility Model Content

[0003] Therefore, it is necessary to provide a heat treatment apparatus for bolt manufacturing to address the aforementioned technical problems of fixing bolts of different sizes and performing uniform heat treatment.

[0004] To achieve the above objectives, this utility model provides a heat treatment device for bolt manufacturing, including a frame, a barrel lid, and a barrel body. The frame is rotatably mounted on the barrel lid, and several arc-shaped blocks are slidably engaged on the frame. An annular plate is installed on the barrel lid, with the arc-shaped blocks and the annular plate in clearance fit. An adjusting bolt is threadedly connected to the frame, and a conical adjusting block is rotatably mounted on the top of the adjusting bolt. The adjusting block and the arc-shaped blocks are slidably engaged. A rotary drive device is installed on the barrel lid, and the output end of the rotary drive device is connected to the frame for transmission.

[0005] Preferably, a T-shaped locking block is installed on the conical adjusting block, and a chamfer adapted to the conical adjusting block is provided on the arc-shaped block. A locking groove is provided on the chamfer, and the T-shaped locking block is slidably engaged in the locking groove.

[0006] Preferably, the arc-shaped block has fan-shaped grooves on both sides, and a limit block is installed on the frame, with the limit block slidingly engaging in the fan-shaped groove.

[0007] Preferably, a linear actuator is installed on the barrel body, and the output end of the linear actuator is connected to the barrel lid.

[0008] Preferably, the top of the inner part of the barrel lid is provided with an annular groove, and several fixing rods are installed on the frame, with the fixing rods slidingly engaged in the annular groove.

[0009] Preferably, a U-shaped frame is installed on the barrel lid, and the output end of the linear actuator is connected to the U-shaped frame.

[0010] Compared with existing technologies, this technical solution has at least one of the following beneficial effects:

[0011] 1. The conical adjusting block squeezes the arc-shaped block, which in turn moves the arc-shaped block outward, allowing the arc-shaped block and the annular plate to cooperate in limiting the movement of bolts of different sizes;

[0012] 2. The frame drives the arc-shaped block to rotate, thereby cooperating with the fixed annular plate, so that the limiting bolts between the two can rotate to a certain extent, thus avoiding poor heat treatment effect at the contact point. Attached Figure Description

[0013] Figure 1 This is an exploded view of an embodiment of the present invention;

[0014] Figure 2 This is a perspective view of an embodiment of the present utility model;

[0015] Figure 3 This is a front sectional view of the bucket lid according to an embodiment of the present invention;

[0016] In the diagram, 1. Frame; 2. Bucket lid; 3. Arc-shaped block; 4. Annular plate; 5. Adjusting bolt; 6. Conical adjusting block; 7. Rotary drive device; 8. T-shaped locking block; 9. Locking groove; 10. Fan-shaped groove; 11. Limiting block; 12. Linear actuator; 13. Annular groove; 14. Fixing rod; 15. U-shaped frame; 20. Bucket body. Detailed Implementation

[0017] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0018] Please see Figures 1 to 3 This application provides a heat treatment apparatus for bolt manufacturing, including a frame 1, a barrel cover 2, and a barrel body 20. The frame 1 is rotatably mounted on the barrel cover 2. Several arc-shaped blocks 3 are slidably engaged on the frame 1. An annular plate 4 is fixedly mounted on the barrel cover 2. The arc-shaped blocks 3 and the annular plate 4 are clearance-fitted, meaning that the clearance can accommodate the bolt thread. An adjusting bolt 5 is threadedly connected to the frame 1. A conical adjusting block 6 is rotatably mounted on the top of the adjusting bolt 5. The adjusting bolt 5 can be rotatably connected to the conical adjusting block 6 through a specially made bearing. The conical adjusting block 6 is slidably engaged with the arc-shaped blocks 3. A rotary drive device 7 is fixedly mounted on the barrel cover 2. The rotary drive device 7 can be a customized low-speed servo motor, which is connected to an external signal processor. Its speed can be further reduced by installing a reduction gearbox at the output end of the rotary drive device 7, and then connecting the output end of the reduction gearbox to the frame 1. The output end of the rotary drive device 7 is connected to the frame 1.

[0019] In this embodiment, by the operator tightening the adjusting bolt 5 at the bottom of the frame 1, the conical adjusting block 6 at the top of the adjusting bolt 5 can move up and down. The conical surface of the adjusting block 6 can then press against several arc-shaped blocks 3, causing them to move outwards. This allows them to cooperate with the fixed annular plate 4, limiting the bolt position between them. After the bolt is positioned, the lid 2 can be driven to descend and seal against the body 20, facilitating subsequent heat treatment. During heat treatment, the frame 1 can be rotated by the rotary drive device 7. During rotation, the arc-shaped blocks 3 on the frame 1, limited by the conical adjusting block 6 and the frame 1, can move together with the frame 1. The rotating arc-shaped block 3, in conjunction with the fixed annular plate 4, can drive the bolt to rotate, thus preventing the heat treatment effect at the limiting point from deteriorating and affecting the bolt's strength. Due to the limiting of the arc-shaped block 3 by the frame 1 and the sliding engagement of the conical adjusting block 6 with the arc-shaped block 3, the conical adjusting block 6 will not rotate with the adjusting bolt 5 but will rise and fall. When the arc-shaped block 3 moves outward, it will create a certain gap with the frame 1, but the gap change within the adjustment range is not enough to cause the bolt to fall off or get stuck. The function can be achieved by the arc-shaped block 3 and the annular plate 4 pressing against the bolt together, or by the gap between the two and the bolt, the bolt head stuck above the two can be rotated, thereby driving the bolt to rotate.

[0020] In some embodiments, to facilitate the sliding engagement of the arc-shaped block 3 and the conical adjusting block 6, a T-shaped locking block 8 is fixedly installed on the conical adjusting block 6. The arc-shaped block 3 has a chamfer adapted to the conical adjusting block 6, and a locking groove 9 is formed on the chamfer. The T-shaped locking block 8 is slidably engaged in the locking groove 9. The chamfer prevents the edges of the arc-shaped block 3 from wearing down, thus affecting the fixing effect. The T-shaped locking block 8 and the locking groove 9 allow the conical adjusting block 6 to drive the arc-shaped block 3 to slide outwards or return to its original position.

[0021] In some embodiments, to prevent the arc-shaped block 3 from deflecting when it moves outward, a fan-shaped groove 10 is provided on both sides of the arc-shaped block 3, and a limiting block 11 is fixedly installed on the frame 1, with the limiting block 11 slidably engaging within the fan-shaped groove 10. Thus, when the arc-shaped block 3 moves, the limiting block 11 always abuts against the inner wall of the fan-shaped groove 10, preventing it from deflecting. The fan-shaped groove 10 is wider at the outer edge and narrower at the inner edge, so that when the gap between the arc-shaped block 3 and the frame 1 increases as it moves outward, the frame 1 can always limit its movement by the limiting block 11 abutting against the gradually narrowing fan-shaped groove 10.

[0022] In some embodiments, to facilitate the lifting and lowering of the bucket lid 2, a linear actuator 12 is fixedly installed on the bucket body 20. The linear actuator 12 can be an electric cylinder, and other external signal processors are connected to it. The output end of the linear actuator 12 is fixedly connected to the bucket lid 2.

[0023] In some embodiments, to facilitate the rotation of the frame 1 on the lid 2, an annular groove 13 is provided at the top of the lid 2. Several fixing rods 14 are fixedly installed on the frame 1, and the fixing rods 14 are slidably engaged in the annular groove 13. A universal ball can be installed at the bottom of the fixing rod 14 to reduce the friction between the fixing rod 14 and the annular groove 13 during rotation.

[0024] In some embodiments, to facilitate the linear actuator 12 driving the bucket lid 2 to move, a U-shaped frame 15 is fixedly installed on the bucket lid 2, and the output end of the linear actuator 12 is connected to the U-shaped frame 15. Since the rotary drive device 7 is located at the center of the bucket lid 2, and in order to maintain the balance of the lifting and lowering of the bucket lid 2, the output end of the linear actuator 12 also needs to be located at the center of the bucket lid 2, hence the installation of the U-shaped frame 15.

[0025] The fixed connection and rotating installation in the above embodiments can all be achieved by welding, screw fasteners and other forms in the prior art, and the rotating installation can be achieved by bearings, circular rotating blocks and circular grooves. All of the above components are standard parts, and those that are not standard parts can also be specially customized, so the inventor will not elaborate further.

[0026] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0027] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A heat treatment apparatus for bolt manufacturing, comprising a frame (1), a lid (2), and a barrel body (20), characterized in that, The frame (1) is rotatably mounted on the bucket lid (2). Several arc-shaped blocks (3) are slidably engaged on the frame (1). An annular plate (4) is mounted on the bucket lid (2). The arc-shaped blocks (3) and the annular plate (4) are fitted with a clearance. An adjusting bolt (5) is threadedly connected to the frame (1). A conical adjusting block (6) is rotatably mounted on the top of the adjusting bolt (5). The conical adjusting block (6) and the arc-shaped block (3) are slidably engaged. A rotary drive device (7) is mounted on the bucket lid (2). The output end of the rotary drive device (7) is connected to the frame (1) for transmission.

2. The heat treatment apparatus for bolt manufacturing according to claim 1, characterized in that, The conical adjusting block (6) is equipped with a T-shaped locking block (8), and the arc block (3) is provided with a chamfer that matches the conical adjusting block (6). The chamfer is provided with a slot (9), and the T-shaped locking block (8) is slidably locked in the slot (9).

3. The heat treatment apparatus for bolt manufacturing according to claim 1, characterized in that, The arc-shaped block (3) has fan-shaped grooves (10) on both sides, and a limit block (11) is installed on the frame (1). The limit block (11) is slidably engaged in the fan-shaped groove (10).

4. The heat treatment apparatus for bolt manufacturing according to claim 1, characterized in that, A linear actuator (12) is installed on the barrel body (20), and the output end of the linear actuator (12) is connected to the barrel lid (2).

5. The heat treatment apparatus for bolt manufacturing according to claim 1, characterized in that, The top of the inner lid (2) is provided with an annular groove (13), and several fixing rods (14) are installed on the frame (1). The fixing rods (14) are slidably engaged in the annular groove (13).

6. The heat treatment apparatus for bolt manufacturing according to claim 4, characterized in that, A U-shaped frame (15) is installed on the bucket lid (2), and the output end of the linear actuator (12) is connected to the U-shaped frame (15).

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